Senior Java Engineer - Oasis

You will design, develop, and maintain PaaS backend services supporting agent sandbox infrastructure. You will integrate sandbox, workspace, workflow, and toolbox modules with cloud sandboxes; build platform capabilities for APIs, tenants, permissions, billing, and auditing; optimize performance and observability; and troubleshoot production issues in high-concurrency environments.

Responsibilities

• Design, develop, and maintain PaaS backend services for agent sandbox infrastructure
• Integrate Agent Sandbox, Workspace, Workflow, and Toolbox modules with cloud sandboxes
• Manage cloud sandbox sessions, code execution, browser operations, file transfers, logs, and runtime results
• Build multi-sandbox runtime, API, SDK, startup, snapshot, persistence, and resource-usage capabilities
• Build API key, tenant, project, quota, permission, billing, and audit capabilities
• Optimize service performance and observability and troubleshoot production issues
• Collaborate with product, frontend, operations, and cloud service teams to launch requirements

Requirements

• Hold a bachelor's degree or above in computer science or a related field
• Have at least 3 years of backend development experience
• Know Java or Go
• Know Spring Cloud, Spring Boot, Dubbo, MyBatis Plus, RESTful architecture, Maven, and Git
• Master multithreaded programming and know middleware, caching, message queues, PostgreSQL, MySQL, and Linux DevOps
• Know Linux and Docker and be able to perform container deployment and troubleshooting
• Demonstrate API design, problem analysis, and cross-functional communication skills
• Have interest in AI agents, model APIs, or cloud execution environments
• Experience with E2B, Daytona, Firecracker, gVisor, Kata Containers, or secure containers is preferred